must should could can may表示推测时有什么区别?

must should could can may表示推测时有什么区别? can,must,may,shoul在表示可能性时有什么区别? could除了can的过去式还有什么理解 can could may must should的区别? may与can在表推测时有什么区别 can和could表推测时有什么区别? can,must,have to,should,may,could,might有语态上有什么区别,怎么区别 should的推测与can,must,may等系列的推测的区别.can,must,may的推测初中已经会了,但是加个sh must,can,could,may,might表示推测,哪些用于否定句,请举例说明 must,can,could,may,might表示推测,哪些用于疑问句,请举例说明 must,can,could,may,might表示推测,哪些用于肯定句,举例说明 may can must should could would should,would,could,must,might,may,can